Water supply for an irrigation system can be obtained from a stream in some nearby mountains. Two alternatives are being considered, both of which have essentially infinite lives, provided proper maintenance is performed. The first is a concrete eservioir with a steel pipe system and the second is an earthen dam with a wooden aqueduct. Below are the costs associate with each. Compare the present worths of the two alternatives, using an interest rate of 8%. Which alternative should be cho Perform all calculations using 5 significant figures and round any monetary answers to the nearest dollar}? First Cost [dollars] Annual Maintenance Costs [dollars] Replacing the wood portion of the aqueduct each 15 years Concrete Reservoir 550,000 2,250 N/A Earthen Dam 230,000 15,000 120,000

Essentials Of Investments
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ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
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Chapter1: Investments: Background And Issues
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Water supply for an irrigation system can be obtained from a stream in some nearby mountains. Two alternatives are being
considered, both of which have essentially infinite lives, provided proper maintenance is performed. The first is a concrete
reservioir with a steel pipe system and the second is an earthen dam with a wooden aqueduct. Below are the costs associated
with each. Compare the present worths of the two alternatives, using an interest rate of 8%. Which alternative should be chosen
{Perform all calculations using 5 significant figures and round any monetary answers to the nearest dollar}?
Concrete
Reservoir
550,000
2,250
N/A
First Cost [dollars]
Annual Maintenance Costs [dollars]
Replacing the wood portion of the
aqueduct each 15 years
The cost Concrete Reservoir is (in PW dollars):
Earthen
Dam
230,000
15,000
120,000
Number
The cost of the Earthen Dam plus Aqueduct is (in PW dollars): Number
Which alternative should be chosen (enter either 'Reservoir' or 'Dam'?
Transcribed Image Text:Water supply for an irrigation system can be obtained from a stream in some nearby mountains. Two alternatives are being considered, both of which have essentially infinite lives, provided proper maintenance is performed. The first is a concrete reservioir with a steel pipe system and the second is an earthen dam with a wooden aqueduct. Below are the costs associated with each. Compare the present worths of the two alternatives, using an interest rate of 8%. Which alternative should be chosen {Perform all calculations using 5 significant figures and round any monetary answers to the nearest dollar}? Concrete Reservoir 550,000 2,250 N/A First Cost [dollars] Annual Maintenance Costs [dollars] Replacing the wood portion of the aqueduct each 15 years The cost Concrete Reservoir is (in PW dollars): Earthen Dam 230,000 15,000 120,000 Number The cost of the Earthen Dam plus Aqueduct is (in PW dollars): Number Which alternative should be chosen (enter either 'Reservoir' or 'Dam'?
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